Lunar regolith may hold microscopic alien debris, and scientists plan to excavate one cubic meter of Moon soil to find out.

Imagine receiving a message from another world. Not from a distant galaxy millions of light years away, but from a planet ...

(Esben_H/iStock/Getty Images Plus) The Fermi paradox asks: If there are other civilizations in the Universe besides ours, why haven't we yet made contact? Researchers who study this paradox – also ...

Most of our experience with the Search for Extraterrestrial Intelligence (SETI) has focused on capturing radio signals that ...

For decades, science fiction writers have tried their best to prepare us for eventual contact with aliens. Their efforts are dominated by several recurrent tropes. There's the invasion by a warlike ...

Researchers propose that tiny technological remnants from extinct alien civilizations could have landed on the moon after ...

Scientists believe that tiny fragments of technology from potential extraterrestrials who disappeared long ago may have ...

A new preprint from David Kipping, assistant professor of astronomy at Columbia University, has suggested that our first contact with aliens will likely be atypical, and particularly bleak. Since at ...

The age of our universe and the commonality of Earth-like planets indicates the possibility of alien civilizations either ...

We’ve likely had at least one close encounter of the 3I kind before. Harvard scientist Avi Loeb claims that not only does 3I/ATLAS potentially have alien origins, but that this wouldn’t be the first ...

For decades, SETI researchers have focused on finding narrow-band radio signals that might stand out from the natural universe. But what if an advanced civilization that wanted to communicate would ...